JSON Formatter

Format, validate, minify, sort keys and inspect JSON outline locally.

Free to useBrowser-firstBilingual helpReady on page
Tool area

Use it directly on this page

JSONDeveloperValidator
Tool area

Loading tool

The tool will be ready here as soon as the page finishes loading.

How to use

How to use JSON Formatter

1 Paste JSON into the editor.
2 Choose indent, minify or sort options.
3 Review the highlighted output and outline tree.
Common uses

JSON Formatter works well for these tasks

Debug API responses

Pretty-print copied JSON

Validate payloads before sharing

Recommended flow

Move from clean JSON to deeper inspection

FAQ

Frequently asked questions

What is JSON Formatter useful for?

Debug API responses

How do I start using JSON Formatter?

Paste JSON into the editor. Choose indent, minify or sort options. Review the highlighted output and outline tree.

What should I do after this result?

Most people continue with JSONPath Evaluator, JSON / YAML / TOML / XML Converter, JSON ⇄ CSV Converter next.